Area Code 603-654 located in LYNDEBOROUGH, HILLSBOROUGH, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 654 City : LYNDEBOROUGH County : HILLSBOROUGH State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 33011 LATA (Local Access Transport Area) : 122 Rate Center : WILTON ZIP Code Count : 545 ZIP Code Frequency : 26 ZIP Code : 03082 Other Information NPANXX : 603654 County Population : 0 Switch CLLI (Common Language Location Identifier) : WLTONHXADS0 MSA CBSA (Core Based Statistical Area) : Manchester-Nashua, NH MSA CBSA Code (Core Based Statistical Area) : 31700 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : WILTON TELEPHONE CO. OCN (Operating Company Number) : 0050 Coverage Area Name : WILTON Latitude : 42.8432 Longitude : -71.7331 ‹ previous : 603-653 next › : 603-654 Telephone Number List 603-654-0000 ~ 603-654-9999